Home / 1,713.60-2,566.62-1,387.44

Finding the Fourth Proportional to 1,713.60, 2,566.62 and 1,387.44

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Solution

The fourth proportional to 1,713.60, 2,566.62 and 1,387.44 is: 2,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.60 : 2,566.62 = 1,387.44 : x
  2. Step 2: Convert to fraction form
    1,713.60/2,566.62 = 1,387.44/x
  3. Step 3: Cross multiply
    1,713.60x = 2,566.62 × 1,387.44
  4. Step 4: Simplify right side
    1,713.60x = 3,561,031.25
  5. Step 5: Solve for x
    x = 3,561,031.25/1,713.60
  6. Step 6: Final answer
    x = 2,078.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.